A Flat Coil Having 160 Turns,each with an Area of 0.20

question 18

Multiple Choice

A flat coil having 160 turns,each with an area of 0.20 m²,is placed with the plane of its area perpendicular to a 0.40T $\vec { B }$ field.The magnitude of the $\vec { B }$ field changes uniformly from 0.40 T in the +x direction to 0.40 T in the -x direction in 2.0 s.If the resistance of the coil is 16 Ω,at what rate is power generated in the coil during this change?

• A)5.0 W
• B)10 W
• C)15 W
• D)20 W

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Definitions:

Sharpe Measure

A metric for calculating risk-adjusted return, measuring excess return per unit of deviation in an investment.

S&P 500 Index

A stock market index that measures the stock performance of 500 large companies listed on stock exchanges in the United States, often used as a gauge of the overall health of the US stock market.

Sharpe Measure

A metric used to assess the risk-adjusted return of an investment, comparing its excess returns to the volatility experienced.

Residual Standard Deviation

A statistical measure of the amount of variance in investment returns not explained by the beta in the Capital Asset Pricing Model (CAPM).